Dahlia

About Dahlia

Dahlia is a flower name with a personal history: the plant was named in honor of Swedish botanist Anders Dahl. Its association with richly colored garden flowers connects it with names such as Rose and Iris, while its own story leads through Mexican plants, European botany, and modern American naming.

How the flower received its name

Spanish botanist Antonio José Cavanilles named the genus Dahlia in 1791, commemorating Dahl, who had died in 1789. The plants he described came from Mexico. The familiar flower name therefore preserves a scientist's surname rather than an ancient word meaning “flower.”

Dahlias are native to Mexico and Central America, where they were known long before receiving their European scientific name. Mexico adopted the dahlia as its national flower in 1963, giving the botanical name a particularly strong connection with that country.

Dalia is used for the flower name in Spanish, and Dalija appears in several European languages. Dalia also has independent naming traditions, so every bearer of that shorter spelling does not necessarily have a name derived from the dahlia flower.

The garden association

The flowers seen in gardens reflect centuries of breeding. Wild forms are often daisy-like, while cultivated dahlias can have densely packed flower heads with dramatically different shapes and colors.

A dahlia head consists of many small flowers rather than a single blossom. Changes in those individual flowers help produce the broad range of garden forms. The genus has become especially associated with the color of late-summer European gardens.

That variety gives Dahlia a specific botanical image without attaching one fixed color to the name. Its connection is with the whole flower group, from open-centered forms to densely layered cultivars.

Dahlia Lithwick

Journalist Dahlia Lithwick has written Slate's Supreme Court Dispatches and Jurisprudence columns since 1999. She also hosts Amicus, a podcast about law and the Supreme Court.

Her book Lady Justice: Women, the Law, and the Battle to Save America was published in September 2022. It follows women lawyers challenging government policies and working to defend legal rights.

Lithwick studied English at Yale and law at Stanford before developing her public career in legal commentary. Her work gives Dahlia a contemporary connection with journalism and legal writing alongside the name's botanical identity.

Pronunciation and American popularity

English pronunciations include DAL-yuh, DAHL-yuh, and DAYL-yuh. All place the stress at the beginning, though speakers differ in the opening vowel. The written h belongs to the inherited flower spelling.

Dahlia's American female birth count rose from 137 in 2000 to 451 in 2010. In 2025 it reached its largest recorded total: 1,420 girls, ranked No. 215. The rise has brought a long-established botanical name into much wider recent use.

How popular is Dahlia?

In 2025, Dahlia ranked #215 among girls in the United States, with 1,420 recorded uses. The U.S. birth records first list this spelling for girls in 1890; its largest annual count was 1,420 in 2025. Rankings count each spelling separately. They describe national use, so local familiarity can differ. The popularity chart shows whether the name has remained common, returned after a quieter period, or risen recently.